FS

Fred M. Sonnenerg

AT Arco Chemical Technology: 1 patents #171 of 285Top 60%
📍 Yeadon, PA: #171 of 270 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,883,407 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5041465 Reducing lustrous carbon in the lost foam process 1991-08-20